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Debt - ABL Facility (Detail) - USD ($)
3 Months Ended
Mar. 28, 2020
Dec. 28, 2019
Debt Instrument [Line Items]    
Current borrowings $ 5,915,000,000 $ 4,736,000,000
Revolving credit facility    
Debt Instrument [Line Items]    
Amount of debt resulting in spring maturity 300,000,000  
Revolving credit facility | ABL Facility    
Debt Instrument [Line Items]    
Line of credit facility, maximum borrowing capacity $ 1,600,000,000  
Unused capacity, commitment fee (percentage) 0.25%  
Current borrowings $ 700,000,000 $ 0
Letters of credit, outstanding amount 285,000,000  
Available capacity 478,000,000  
Revolving credit facility | ABL Facility | Standby letters of credit for self insurance program    
Debt Instrument [Line Items]    
Letters of credit, outstanding amount 249,000,000  
Revolving credit facility | ABL Facility | Real estate lease obligations    
Debt Instrument [Line Items]    
Letters of credit, outstanding amount 35,000,000  
Revolving credit facility | ABL Facility | Other obligations    
Debt Instrument [Line Items]    
Letters of credit, outstanding amount $ 1,000,000  
Revolving credit facility | ABL Facility | Alternative Base Rate    
Debt Instrument [Line Items]    
Margin spread on variable rate (percent) 0.00%  
Revolving credit facility | ABL Facility | London Interbank Offered Rate (LIBOR)    
Debt Instrument [Line Items]    
Margin spread on variable rate (percent) 1.00%  
Revolving credit facility | ABL Facility | Minimum | Alternative Base Rate    
Debt Instrument [Line Items]    
Margin spread on variable rate (percent) 0.00%  
Revolving credit facility | ABL Facility | Minimum | London Interbank Offered Rate (LIBOR)    
Debt Instrument [Line Items]    
Margin spread on variable rate (percent) 1.00%  
Revolving credit facility | ABL Facility | Maximum | Alternative Base Rate    
Debt Instrument [Line Items]    
Margin spread on variable rate (percent) 0.50%  
Revolving credit facility | ABL Facility | Maximum | London Interbank Offered Rate (LIBOR)    
Debt Instrument [Line Items]    
Margin spread on variable rate (percent) 1.50%